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Table 8:
Title Standard Overhaul Practices Manual Chapter
Fluid System Fitting Torque Values 20-50-00
Bolt and Nut Installation 20-50-01
Installation of Safety Devices 20-50-02
Bearing Installation and Retention 20-50-03
Installation of Permanent Drill Passage Pin and Plug 20-50-04
Application of Aluminum Foil and Other Markers 20-50-05
Installation of O-Rings and Teflon Seals 20-50-06
Lubrication 20-50-07
Application of Dry Lubricant 20-50-08
Installation of Protective Grommets 20-50-09
Application of Stencils, Insignia, Silk Screen, Part 20-50-10
Numbering and Identification Markings
Application of Aerodynamic Smoothing Sealant 20-50-11
Application of Adhesives 20-50-12
Application of Weather, Fuel Oil, Solvent and Heat Resistant 20-50-13
Protective Coatings
Cleaners 20-60-01
Finishing Materials 20-60-02
Lubricants 20-60-03
Miscellaneous Materials 20-60-04
B. Lubrication
(1)
Lubricate O-ring packings with petrolatum prior to installation unless specified otherwise.
(2)
Apply grease or anti-seize compound to splines as specified.
C. Floating Clamps
(1)
Floating clamps are utilized to establish adequate clearance between tubing, hoses, and wire bundles to dampen vibration and prevent chafing.
(2)
Illustrations which show clamping for wire bundles, tubing and hoses show floating clamp installations in approximate clamping locations.
(3)
Actual clamp locations may be adjusted from those illustrated and additional clamps may be used to provide required clearances. A minimum clearance of 0.5 inch is desirable however, 0.2 inch is permissible where 0.5 inch cannot be obtained.
D. Electrical Harness
(1)
Position electrical harness between connectors to provide equal distribution of support loading on clamps. Maintain sufficient slack at connectors to prevent preloading the connection. No wire ties should be under clamps.
(2)
Wrap wire bundles with tape at each clamping position to provide optimum clamping condition and prevent abrasion of wiring during service.
INTRODUCTION
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(a)
When attaching a wire bundle on the fan case, wrap the bundle under the clamp with Scotch 70 tape.
(b)
When attaching a wire bundle on the core case with TA025041( ) clamps, wrap the bundle under the clamp with Permacel P421 tape or optionally P440 tape. Wrap the wire bundle a minimum of 2 times.
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